Roj thiab acrylic paintings txawv ntawm ib leeg. Nws yog qhov yooj yim pom qhov sib txawv txawm tias qhov muag liab qab. Qhov no yog qhov tsim nyog los ntawm qhov sib txawv ntawm cov khoom siv uas cov canvas pleev xim rau thiab cov txheej txheem ntawm kev npaj cov canvas. Rau cov roj pleev xim, cov xim pleev xim tshwj xeeb raws li cov roj zaub yog siv, vim cov roj no yog cov khoom siv tseem ceeb. Nws yog ib nqi sau cia hais tias ib tug canvas primed rau painting yog tsim nyog rau tsim ib tug roj painting tshaj acrylic, vim acrylic xim yog dej-raws li. Muaj ntau cov txheej txheem yooj yim rau kev thov primer. Ob qho tib si acrylic thiab roj pleev xim. Tsis tas li ntawd, canvas nws tus kheej tuaj yeem ua los ntawm ntau yam ntaub ntawv.
Hoobkas canvas primed rau painting
Rau cov neeg ua yeeb yam tshiab lossis cov uas tsis xav siv sijhawm los npaj daim ntaub rau kev pleev xim, cov ntaub ntawv uas twb tau npaj ua haujlwm raug muag. Rau cov roj paintings, ib tug tshwj xeeb canvas yog muag, primed, nyob rau hauv ib tug yob. Nws tsis tas yuav tsum tau glued los yog sanded, koj muaj peev xwm tam sim ntawd tom qab yuav khoompib kos duab. Qhov no ua tiav sai heev thiab yooj yim, cov txheej txheem tsis tas yuav muaj kev txawj tshwj xeeb lossis lub peev xwm. Tsis tas li ntawm kev muag khoom koj tuaj yeem nrhiav tau lub canvas primed nrog contour, nrog rau yav tom ntej cov seem ntawm canvas yog txiav tawm los yog siv los kho cov duab tiav hauv ib lub thav duab. Npaj canvases rau kev ua hauj lwm yog muag tsis tau tsuas yog rau roj painting, tab sis kuj rau acrylic. Yog tias cov ntaub yog hloov nrog cov duab los qhia, vim cov xim acrylic yog dej raws thiab zoo dua thiab zoo dua ntawm daim ntawv dua li lwm cov ntaub ntawv, canvas primed on cardboard yog siv.
Cov canvas yuav zoo li cas?
Cov qauv tseem ceeb uas yuav tsum muaj nyob hauv daim ntaub rau kev pleev xim nrog cov xim roj yog nws elasticity. Thaum lub sij hawm daim ntawv thov ntawm primer nyob rau hauv lub txhuam, ib tug qab ntxiag springy nyhuv yuav tsum tshwm sim, vim hais tias cov strokes yuav ntau nthuav, thiab daim ntawv thov txheej txheem nws tus kheej yuav ntau zog. Nws yog qhov zoo tshaj plaws los siv linen lossis hemp ua cov khoom siv hauv paus, txij li cov paj rwb, viscose lossis lwm hom ntaub tsis cuam tshuam zoo nrog cov primer vim lawv cov khoom zoo nkauj. Ua ntej, kev kawm ua haujlwm yuav tsum tau ua tiav ntawm canvases nrog cov xov nruab nrab, tab sis yog tias koj npaj yuav pleev xim rau daim duab loj, koj yuav tsum siv hom coarse-grained.
Lub hauv paus rau kev pleev xim nrog cov xim acrylic yuav tsum tau xaiv kom zoo dua thiab muaj lub luag haujlwm, vim cov xim lawv tus kheej yog qhov tshwj xeeb. Qhov no yog justified los ntawm qhov tseeb hais tias, ua tsaug rau lub hauv paus dej, xws licov ntaub ntawv xav tau tshwj xeeb thinners. Lub ntsiab kom zoo dua ntawm acrylic yog tias cov painting tiav los ntawm cov khoom no tsis tig daj thaum lub sij hawm, thiab cov xim lawv tus kheej yog hypoallergenic. Vim nws cov qauv, acrylic yog qhov zoo tshaj plaws rau cov duab los qhia, vim tias daim ntawv muaj peev xwm nqus dej ntau dhau. Txawm li cas los xij, cov duab los qhia zoo tib yam tsis haum rau kev pleev xim; feem ntau, Sonnet hom cardboard yog siv los sau cov duab.
Ua ntej koj pib
Thaum xaiv cov khoom siv, nws yog ib qho tseem ceeb heev uas yuav tsum paub yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo saib xyuas cov khoom siv. Txawm li cas los xij, tus kws kos duab novice xav paub txhua yam hauv paus ntawm kev pleev xim thiab txiav txim siab los ua tus thawj coj ntawm nws tus kheej, nws yuav tsum coj mus rau hauv tus account tias qhov no yog txoj haujlwm ntev thiab ua haujlwm hnyav. Ntxiv nrog rau ntau lub sijhawm, qhov no tseem yuav xav tau ntau cov khoom siv primer, yog li ntawd, yog tias cov peev nyiaj ntawm daim duab me me, ces nws yog qhov zoo dua los yuav lub hauv paus npaj ua ntej, txij li tus nqi tsim nyog yuav yog. yuav tsum tau yuav cov khoom siv rau tus kheej priming. Ntawm no nws tseem ceeb heev kom nkag siab cov ntsiab lus hauv qab no. Thaum yuav cov av uas pheej yig dua thiab tsis zoo heev, muaj kev pheej hmoo ntawm kev lwj tag nrho cov duab, vim cov khoom tsis zoo yuav nyob ntawm nws lub hauv paus.
Priming ib lub canvas hauv tsev yog ua tau, thiab qhov kev xaiv no muaj ntau yam zoo dua li npaj ua, Hoobkas primer. Ua ntej tshaj plaws, tus kws kos duab nws tus kheej tuaj yeem xaiv qhov ntxoov ntxoo uas nws xav pom ua lub hauv paus, koj tuaj yeem sib tov ob peb lub suab tib lub sijhawm thiab nws thiaj li tau txais.ib yam dab tsi tshwj xeeb thiab qub. Ntxiv rau qhov ntxoov ntxoo, tsis muaj kev txwv rau cov duab ntawm daim ntaub ntawm daim duab yav tom ntej, nws tuaj yeem hloov kho ntawm koj qhov kev txiav txim siab. Lwm lub ntsiab lus zoo yog txheej txheej ntawm daim ntawv thov av. Nws kuj tseem tswj tau ncaj qha los ntawm tus kws kos duab thiab xaiv raws li cov hom phiaj tsim nyog kos duab. Cov cim tseem ceeb ntawm daim ntawv thov raug thiab qhov zoo ntawm primer yog:
- Tau tshaj cov primer, cov xim dries tusyees.
- Cov primer tag nrho npog tag nrho cov qhov thiab cov khoom me me.
- Nrog nws cov kev pab, qhov kev xav tau kev ntxhib los mos yog tsim, uas tuaj yeem ua tau zoo kawg nkaus, nrog kev khaws cia ntawm kev ntxhib los mos, lossis nrog ntau yam kev pom pom.
- Primer muab kev tiv thaiv los ntawm tus number case ncaj qha rau ntawm cov khoom.
- Siv cov primer, qhov saum npoo ntawm daim duab yuav tsum muaj qhov siab tshaj plaws adhesion rau cov xim lossis lwm yam khoom siv kos duab siv.
- Quality primer muab lav tiv thaiv kom ya raws. Nws kuj muaj cov tshuaj tua kab mob.
Yog cov ntaub raug kho nrog cov primer zoo, nws yuav khaws cov elasticity zoo rau ntau xyoo.
Yuav ua li cas ua cov canvas hauv qab roj
Yog tias koj txiav txim siab seb yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm Yuav ua li cas ncab lub canvas ntawm lub stretcher tuaj yeem pom hauv qab no hauv kab lus. Yog hais tias daim ntawv thov ntawm avua nws tus kheej, cov khoom siv yuav tsum ntom ntom li ntau tau, nrog tsawg kawg ntawm ntau yam tsis xws luag.
Ua ntej tshaj plaws, ua ntej siv thawj txheej, nws yog ib qho tsim nyog yuav tsum moisten lub canvas me ntsis kom tsis txhob ya raws ntawm sab tsis ncaj ncees lawm ntawm daim ntaub. Cov dej noo yuav ua rau cov fibers nthuav dav, vim tias cov kua nplaum yuav xyaum tsis pom thaum qhov loj me. Tsis tas li, yog tias muaj cov pob me me lossis qhov tsis sib xws, koj tuaj yeem xuab zeb cov ntaub pua plag nrog cov pob zeb pumice.
Kev siv cov kua nplaum yuav tiv thaiv cov canvas los ntawm impregnation nrog roj los ntawm cov xim. Txawm li cas los xij, tsis txhob siv cov kua nplaum tuab heev, lub canvas yuav tsum khaws elasticity thiab ntuj zoo nkauj. Tab sis tib lub sij hawm, qhov thiab protrusions yuav tsum tsis tuaj. Feem ntau cov kua nplaum yog siv nyob rau hauv ob theem hauv ob peb txheej nyias nrog rau nruab nrab kom qhuav.
Thawj theem ntawm kev thov cov kua nplaum yog qhov tseem ceeb tshaj plaws thiab lub luag haujlwm, vim tias nws yog qhov tsim nyog uas yuav tsum tau tsim cov yeeb yaj kiab tiv thaiv, thiab tib lub sijhawm cov kua nplaum nws tus kheej tsis nkag mus rau hauv daim ntaub. Rau qhov no, kua kua nplaum ntawm chav tsev kub feem ntau yog siv, vim tias qhov kev faib tawm tsis sib xws tau ua tiav thoob plaws hauv lub vev xaib. Thiab ceev ceev, ruaj ntseg fastening. Yog hais tias qhov kev ntxhib los mos yog txaus ntxhib, cov nplaum yuav tsum yog tuab, zoo li jelly-zoo li sib xws. Thaum siv cov kua nplaum zoo li no rau ntawm daim ntaub, tsis txhob nias kom nws tsis muaj dej txaus. Koj yuav tsum tsis txhob rov smears nyob rau tib qhov chaw. Yog tias cov kua nplaum nplaum yog kua, nws yuav tsum tau thov sai heev kom tsis txhob muaj ntau dhau. Tom qab thawj txheej, koj yuav tsum tau qhuav thiab xuab zeb lub canvas. Tom qab ntawd siv ob peb ntxivnyias txheej ntawm cov kua nplaum, ziab thiab sib tsoo nyob rau hauv nruab nrab, thiab tsuas yog tom qab lub sizing yuav zoo ib yam thiab qhov khoob ntawm cov fibers ploj, koj tuaj yeem pib siv cov primer. Txhawm rau siv cov kua nplaum tuab, koj yuav tsum siv rab riam palette lossis spatula, thiab rau cov kua dej - txhuam tawv thiab dav.
Yuav ua li cas cov canvas qhuav thiab xuab zeb?
Nws yog ib qho tsim nyog kom qhuav tom qab txhua daim ntawv thov primer rau daim ntaub. Yog tias koj paub yuav ua li cas rau prime lub canvas, ziab yuav tsum tsis txhob siv sij hawm ntev heev. Qhov tseem ceeb tshaj plaws yog tsis ua txhaum txoj cai uas feem ntau lees txais, thiaj li tsis ua kom tsis zoo ntawm lub hauv paus. Nyob ntawm seb qhov sib tov siv, lub sij hawm ziab yuav txawv. Yog li, piv txwv li, nplaum primers siv li tsib hnub kom qhuav, thiab emulsions - mus txog ob lub lis piam, roj formulations qhuav qhov ntev tshaj plaws - los ntawm 2 mus rau 10 lub hlis. Nws yog ib qho tseem ceeb heev uas lub ziab ntawm cov av yog uniform. Thiab nws tau ua tiav ntawm chav tsev kub. Nws yog nruj me ntsis txwv tsis pub kom qhuav cov av nyob rau hauv lub hnub, nyob ze lub roj teeb los yog nyob rau hauv ib tug cua ntsawj ntshab.
Tom qab koj tau ua tiav priming lub canvas, cov primer tau qhuav, nws yog ib qho tsim nyog los xuab zeb cov ntaub pua plag ua ntej siv lub tsho kawg, vim qhov no tshem tawm ntau yam tsis xws luag ntawm daim ntaub thiab txhim kho adhesion. Kev sib tsoo yog nqa tawm siv cov ntawv xuab zeb zoo los yog pob zeb pumice. Lub sanding nws tus kheej yuav tsum tau ceev faj li sai tau kom tsis txhob ua puas qhov kev ntxhib los mos ntawm cov av. Cov txheej txheem kawg ntawm cov av feem ntau tsis kho. Tsuas yog yuav tsum tau ua kom cov adhesion ntawm cov xim.
Dab tsi yog sivprimer?
Kev siv cov tshuaj primer tsuas yog nqa tawm hauv ib txheej nyias. Thiab tsuas yog nrog txhuam los yog riam palette. Lub hauv paus ntsiab lus ntawm kev siv primer yog tib yam li gluing ib daim ntaub. Txhawm rau kom cov adhesion ntawm cov av rau cov xim kom zoo li qhov ua tau, cov tint yog ntxiv rau cov av hauv theem, hauv txhua txheej tshiab nws cov ntsiab lus nce. Ua tsaug rau cov thev naus laus zis no, qhov saum npoo ntawm daim ntaub yuav dhau los ua elastic li ua tau, tiv taus cov dej noo thiab kub hloov pauv, nrog rau lwm yam cuam tshuam sab nraud.
Yooj yim npaum li cas canvases nrog npaj ua kom loj thiab primer?
Nyob rau hauv txhua lub khw tshwj xeeb kos duab koj tuaj yeem yuav cov canvases twb tau npaj rau kev pleev xim, piv txwv li, cov ntaub pua plag hauv yob, rau cov roj pleev xim. Nws qhov kev nrhiav tau zoo heev pab txhawb kev ua haujlwm ntawm tus tswv thiab txuag nws lub sijhawm. Txij li nws yog cov roj primers uas qhuav qhov ntev tshaj plaws. Txawm li cas los xij, kuj tseem muaj cov ntaub pua plag rau ntawm daim duab los muag, rau kev sau ntawv acrylic. Xws li canvases yuav tsis tsuas txuag lub sij hawm siv nyob rau hauv lub primer, tab sis kuj txuag cov artist los ntawm ntau yam tsis kaj siab nuances, xws li cov dej ntws ntawm canvas thaum lub sij hawm impregnation nrog kua nplaum los yog lwm yam lub sij hawm. Qhov no yog precisely qhov zoo ntawm lub Hoobkas hauv paus nrog ib tug primer. Lawv txuag lub sijhawm, kev siv zog thiab, ntawm chav kawm, nyiaj siv rau kev npaj cov ntaub ntawv. Qhov nrov tshaj plaws ntawm canvases rau painting nrog acrylics yog primed canvas ntawm cardboard "Sonnet".
Nyob hauv tsev
Rau cov roj primer, koj tuaj yeem ua tausiv gelatin-raws li primer npaj hauv tsev ntawm koj tus kheej. Qhov no primer yog heev yooj yim mus thov thiab kuj pheej yig. Nws yog qhov tsim nyog rau kev ua cov ntaub ntawv tuab thiab ntxhib, vim nws tuaj yeem ua kua lossis ib nrab khov. Gelatin primer rau sizing tej zaum yuav muaj xws li glycerin los yog zib mu, ncaj qha gelatin, dawb los yog chalk thiab dej. Txhua txheej ntawm cov av dries tawm hauv li 12 teev. Qhov tseem ceeb yog ua tib zoo dilute lub ntsiab Cheebtsam (zib ntab thiab gelatin) nyob rau hauv ib tug da dej thaum lub sij hawm ua noj ua haus kom tsis txhob overheat lawv.
Koj tuaj yeem siv cov kua nplaum nplaum. Nws yog qhov yooj yim heev, vim nws dries sai, tab sis kuj tseem muaj qhov tsis zoo los xav txog. Thaum lub sij hawm pleev xim, cov primer no feem ntau nqus hauv cov khoom sib txuas ntawm cov xim roj. Tsis tas li ntawd, cov av no yog heev susceptible rau noo noo thiab dampness. Lwm qhov teeb meem yog qhov ua kom nruj ntawm lub vev xaib tom qab ua tiav. Thiab yog tias koj siv cov nplaum primer nrog lub softener, tom qab ib pliag lub canvas yuav pib rot. Feem ntau cov kws kos duab nyiam casein primers lossis polyvinyl cawv nrog zinc lossis titanium dawb ntxiv.
Tsis zoo li cov kua nplaum, cov roj primer tiv taus cov av noo thiab tsis nqus cov xim pleev xim, txawm li cas los xij, nws kuj muaj qee qhov tsis zoo. Nws dries rau ib lub sij hawm ntev heev thiab tom qab ib pliag pib tig daj, raws li ib tug tshwm sim ntawm cov duab maj darkens. Acrylic canvases yog yooj yim dua rau prime. Vim lawv zoo haum rau yuav luag txhua hom av.
Yuav ua li cas rau prime lub canvas hauv qabAcrylic: npaj
Primers raws li acrylic nws tus kheej feem ntau yog siv los ua primer rau acrylic painting. Lawv yog ib qho tshwj xeeb sib tov nrog tib lub binder raws li cov xim nws tus kheej - acrylic polymer emulsion. Cov muaj pes tsawg leeg ntawm cov primers kuj muaj xws li barite nrog magnesium thiab calcium carbonate, uas tsim ib qho kev ntxhib los mos ntawm primer. Yog tias daim duab pleev xim nrog lub cev pleev xim, priming tsis tsim nyog kiag li. Qhov tsuas yog qhov uas yuav tsum tau ua yog tsim cov yeeb yaj kiab tsis tu ncua, uas cov xim yuav raug siv tom qab ntawd. Qhov no yog qhov tsim nyog los tiv thaiv kev ntub dej, txij li cov xim acrylic yog dej-raws li, thiab ntau hom duab los qhia yog siv rau daim ntaub. Rau acrylic tej hauj lwm, nrog rau cov roj paintings, muaj ib tug tshwj xeeb primed canvas ntawm cardboard nrog ib tug qauv. Cov contour tom qab yuav xav tau los ua cov duab.
Txoj kev siv cov primer hauv qab acrylic
Koj tuaj yeem siv cov primer rau ntawm daim ntaub rau acrylic painting vertically lossis horizontally. Kev siv cov primer rau ntawm qhov chaw kab rov tav yog ua raws li hauv qab no: primer yog poured rau ntawm ib tug dag canvas, tom qab uas ib tug ceev, meej faib ntawm cov loj nyob ib ncig ntawm tag nrho cov perimeter pib nrog ib tug scraper los yog squeegee, koj kuj siv tau cov roj hmab. spatula. Lub txheej yuav tsum nyias. Nws yog ib qho tseem ceeb heev tsis txhob siv cov cuab yeej uas muaj cov roj hmab muag muag kom nthuav tawm cov primer tshaj qhov saum npoo ntawm cov hniav, vim qhov no yuav ua rau cov hniav.tau qias neeg dub stains thiab hopelessly deteriorate.
Yog tias koj pom tias tom qab koj tau ua cov ntaub pua plag uas qhov sib xws ntawm primer yog qhov dej ntws zoo, nws yog qhov zoo tshaj kom tsis txhob siv vertically vim qhov no tuaj yeem ua rau muaj ntau yam teeb meem xws li streaks thiab daim ntawv thov tsis sib xws. Txawm hais tias ntau tus kws tshaj lij siv txoj kev no. Tseeb tiag, nrog nws cov kev pab, cov primer ntawm canvas yog nqa tawm sai dua li ib txwm daim ntawv thov ntawm primer nrog ib tug txhuam.
Yog tias cov ntaub pua plag txaus txaus thiab ntxhib, siv primer tsuas yog siv txhuam. Muab qhov degree ntawm kev nqus, daim ntawv thov yog nqa tawm nyob rau hauv ob peb txheej, tab sis tsis tsawg tshaj li ob. Thawj txheej feem ntau yog diluted nrog dej. Yog hais tias lub canvas loj loj, koj tuaj yeem siv lub sprayer rau ib qho zoo thiab du primer.
Yog tias cov primer nrog cov nyhuv muaj zog, xws li ntoo fiber ntau, yog siv los ua primer rau acrylic painting, koj tuaj yeem ntxiv cov acrylic glossy tus neeg sawv cev rau hauv ib txheej nyias rau nws. Tam sim ntawd ua ntej thov, nws yuav tsum tau diluted nrog dej. Qhov no yog qhov tsim nyog txhawm rau txhawm rau txo cov qib porosity ntawm primer mus rau qib tau txais. Thaum thov ib tug primer rau ib tug nto nrog ib tug nce qib ntawm nqus, uas tsis tau yav tas los glued, lub binder Cheebtsam ntawm cov khoom yuav absorbed tag nrho rau hauv lub canvas. Vim li no, cov nyhuv "grain-hmoov" yuav tshwm sim ntawm qhov chaw. Tsis ntev los no, npaj txhij-ua primed canvas ntawm Brauberg cardboard tau tshwm sim ntawm kev muag, tshwj xeeb tshaj yog rau acrylic painting.
Dab tsidab tsi ntxiv? Koj yuav tsum xav txog yuav ua li cas ncab lub primed canvas ntawm lub stretcher. Txhawm rau txhim kho lub canvas ntawm lub stretcher, koj yuav tsum tau ua cov hauv qab no: nthuav cov canvas ntawm qhov chaw ua hauj lwm thiab muab ib tug ncej rau saum nws. Nws yog ib qho tseem ceeb heev uas cov fibers ntawm canvas nyob rau hauv tib txoj kev raws li cov kab ntawm lub thav duab. Lub sijhawm no yuav tsum tsis txhob nco. Yog tias cov ntaub nyob ntawm lub kaum sab xis, dhau sijhawm, qhov deformation ntawm tus ncej thiab khoov ntawm cov npoo ntawm daim ntaub yuav pib. Nws yog ib qho tsim nyog yuav tsum coj lub ntug ntev uas ze tshaj plaws thiab khi nws mus rau sab hauv ntawm lub stretcher. Tom qab ntawd, siv lub stapler, kho nrog peb lub brackets. Ntawm cov npoo ntawm lub stretcher, lub canvas yog tsau nyob rau theem kawg. Tom qab kho ib sab, nws yog ib qho tsim nyog yuav tsum nthuav tawm lub canvas thiab, tau rub nws zoo, ua tib txoj kev. Staples yuav tsum tau pib los ntawm nruab nrab mus rau cov npoo, txwv tsis pub cov canvas yuav tawm skewed. Thiab yuav sag nyob rau hauv qhov chaw. Yog tias tsis yog-primed canvas yog tsau, nws yuav tsum maj mam moistened nrog dej ua ntej pib txheej txheem, koj tuaj yeem siv rab phom tsuag. Nws yog tsim nyog los moisten sab hauv. Qhov no yog ua li cas tom qab dej dries, ib tug denser stretch ntawm canvas yog tsim. Nws yog qhov zoo tshaj plaws los tsuag dej tom qab kev ruaj ntseg ntev ntawm lub canvas mus rau lub stretcher.